/**
* Generates a URL from the given parameters.
*
* @param mixed $params The parameter values
* @param array $context The context
* @param Boolean $absolute Whether to generate an absolute URL
*
* @return string The generated URL
*/
public function generate($params, $context = array(), $absolute = false)
{
$slug = null;
$defaults = $this->getDefaults();
if (isset($params['sf_subject']) && !isset($params['engine-slug'])) {
// Don't override the current page if it is an engine, or a previously
// pushed engine page
$slug = aRouteTools::getContextEngineSlug($this);
if ($slug) {
$params['engine-slug'] = $slug;
} else {
if (method_exists($params['sf_subject'], 'getEngineSlug')) {
$params['engine-slug'] = $params['sf_subject']->getEngineSlug();
}
}
}
if (isset($params['engine-slug'])) {
$slug = $params['engine-slug'];
aRouteTools::pushTargetEngineSlug($slug, $defaults['module']);
unset($params['engine-slug']);
}
$result = aRouteTools::addPageToUrl($this, parent::generate($params, $context, false), $absolute);
if ($slug) {
aRouteTools::popTargetEngine($defaults['module']);
}
return $result;
}
/**
* Prepends the current CMS page to the URL.
*
* @param string $url The URL so far obtained from parent::generate
* @param Boolean $absolute Whether to generate an absolute URL
*
* @return string The generated URL
*/
public static function addPageToUrl(sfRoute $route, $url, $absolute)
{
$slug = aRouteTools::getContextEngineSlug($route);
if (!$slug) {
$defaults = $route->getDefaults();
$page = aPageTable::getFirstEnginePage($defaults['module']);
if (!$page) {
$slug = null;
} else {
$slug = $page->slug;
}
}
if (!$slug) {
throw new sfException('Attempt to generate aRoute URL for module ' . $defaults['module'] . ' with no matching engine page on the site');
}
// A route URL of / for an engine route maps to the page itself, without a trailing /
if ($url === '/') {
$url = '';
}
// Ditto for / followed by a query string (missed this before)
if (substr($url, 0, 2) === '/?') {
$url = substr($url, 1);
}
$pageUrl = aTools::urlForPage($slug, $absolute);
$rr = preg_quote(sfContext::getInstance()->getRequest()->getRelativeUrlRoot(), '/');
// Strip controller off so it doesn't duplicate the controller in the
// URL we just generated. Also strip off sf_relative_root if any.
// We could use the slug directly, but that would
// break if the CMS were not mounted at the root on a particular site.
// Take care to function properly in the presence of an absolute URL
if (preg_match("/^(?:https?:\\/\\/[^\\/]+)?{$rr}(?:\\/[^\\/]+\\.php)?(.*)\$/", $pageUrl, $matches)) {
$pageUrl = $matches[1];
}
// Fix double / at beginning when engine is at root of site (think "just a blog")
$finalUrl = $pageUrl . $url;
$finalUrl = preg_replace('|^//|', '/', $finalUrl);
return $finalUrl;
}
